The LG G3 has a known hardware defect involving a loose connection between the motherboard and the display/touch digitizer. This often causes the phone to freeze at the logo because the system fails a hardware check during boot.
If a soft restart fails, a factory reset can wipe corrupted files that may be blocking the boot sequence. . lg g3 stuck on us cellular screen
If none of the above works, your LG G3 likely has a . Symptoms of eMMC failure: The LG G3 has a known hardware defect
Please follow these steps in order, from easiest to most advanced. lg g3 stuck on us cellular screen
Press and hold the and Volume Down buttons simultaneously for 10–15 seconds .